fix(deps): update dependency multicodec to v3

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
multicodec	^2.1.0 -> ^3.0.0

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Release Notes

multiformats/js-multicodec

v3.0.1

Compare Source

Bug Fixes

• fix maps types (5c32246)
• update aegir and revert varint (6b29756)

v3.0.0

Compare Source

Reverts

• Revert "fix: fix maps types" (b902a59)
• Revert "fix: update aegir and revert varint" (cf9a68d)

2.1.2 (2021-03-02)

Bug Fixes

• fix maps types (d500879)

2.1.1 (2021-03-02)

Bug Fixes

• update aegir and revert varint (d0a413f)

Features

• export tables and dedup code (d26166b)

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[codecov]

Codecov Report

Merging #398 (aa64063) into next (0bf7b24) will decrease coverage by 1.78%.
The diff coverage is 64.00%.

❗ Current head aa64063 differs from pull request most recent head 0a1d97d. Consider uploading reports for the commit 0a1d97d to get more accurate results

@@            Coverage Diff             @@
##             next     #398      +/-   ##
==========================================
- Coverage   67.58%   65.80%   -1.79%     
==========================================
  Files          62       68       +6     
  Lines        1530     1617      +87     
  Branches      247      265      +18     
==========================================
+ Hits         1034     1064      +30     
- Misses        400      452      +52     
- Partials       96      101       +5